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What is Courier?
What is Courier?
What is Courier?

A high-level introduction to Courier and how it helps you design and deliver user notifications across multiple channels.

Rodrigo Rojas avatar
Written by Rodrigo Rojas
Updated over a week ago

Courier lets you design your notifications once and deliver them to any channel–push notifications, direct messages, SMS, and email–with a single Courier API rather than having to integrate each provider API separately.

What can I do with Courier?

If you send notifications to users via email, push, SMS, or direct message, you can use Courier to:

1. Design notification content

Courier's Notification Designer empowers every team member to build beautiful notifications.

  • Drag & drop content without writing code

  • Consistent rendering across every email client

  • Re-use content for any channel

  • Consistent branding across all your notifications

2. Build powerful delivery rules

Route each message to the most effective notification channel using a robust delivery rules engine without touching your code.

  • Drag and drop channel prioritization

  • Always send settings

  • "Best of" channel settings

3. Track cross-channel delivery

Courier Data Logs and Metrics give you insight into your notification performance across all channels.

  • Find the best channel for each user

  • Compare deliverability across multiple providers

  • Detailed event log for every user on every channel

What providers integrate with Courier?

Courier integrates with dozens of leading notification providers like Slack, Sendgrid, Twilio, Mailgun, Airship, Firebase, Facebook Messenger and more.

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